From d93f1f3c72578bb343dac6431f9901d62ccf7a2e Mon Sep 17 00:00:00 2001
From: Jacob Young <jacobly0@users.noreply.github.com>
Date: Fri, 10 Nov 2023 22:23:56 -0500
Subject: Sema: detect unneeded source locations earlier

This avoids a lot of work that just needs deferred cleanup anyway.
Crucially, also avoids use of undefined in `failWithNeededComptime`.
---
 src/Module.zig | 1 +
 1 file changed, 1 insertion(+)

(limited to 'src/Module.zig')

diff --git a/src/Module.zig b/src/Module.zig
index d475f85c14..8ba856cf68 100644
--- a/src/Module.zig
+++ b/src/Module.zig
@@ -1250,6 +1250,7 @@ pub const ErrorMsg = struct {
         comptime format: []const u8,
         args: anytype,
     ) !*ErrorMsg {
+        assert(src_loc.lazy != .unneeded);
         const err_msg = try gpa.create(ErrorMsg);
         errdefer gpa.destroy(err_msg);
         err_msg.* = try ErrorMsg.init(gpa, src_loc, format, args);
-- 
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